Feature：
1.Heavy duty construction, compact design, small footprint, air-cooled design, easy to install and maintenance
2.Direct drive without belt, low noise, low vibration, no need anchor bolts to fix
3.With a build-in high efficient filter, the oil mist was filtered out 99.9%.
4.Fitted Gas ballast valve to absorb gases containing water vapor.
5.Inlet check valve prevented the backflow of vacuum oil
6.The vane with high-tech material provided long vane life